# -*- coding: utf-8 -*-

# This code is part of Qiskit.
#
# (C) Copyright IBM 2019.
#
# This code is licensed under the Apache License, Version 2.0. You may
# obtain a copy of this license in the LICENSE.txt file in the root directory
# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
#
# Any modifications or derivative works of this code must retain this
# copyright notice, and modified files need to carry a notice indicating
# that they have been altered from the originals.

"""
Base Fake Qobj.
"""

from qiskit.qobj import (QasmQobj, QobjExperimentHeader, QobjHeader,
                         QasmQobjInstruction, QasmQobjExperimentConfig,
                         QasmQobjExperiment, QasmQobjConfig)
from .fake_qasm_simulator import FakeQasmSimulator


class FakeQobj(QasmQobj):
    """A fake `Qobj` instance."""
    def __init__(self):
        qobj_id = 'test_id'
        config = QasmQobjConfig(shots=1024, memory_slots=1, max_credits=100)
        header = QobjHeader(backend_name=FakeQasmSimulator().name())
        experiments = [QasmQobjExperiment(
            instructions=[
                QasmQobjInstruction(name='barrier', qubits=[1])
            ],
            header=QobjExperimentHeader(),
            config=QasmQobjExperimentConfig(seed=123456)
        )]
        super().__init__(qobj_id=qobj_id, config=config,
                         experiments=experiments, header=header)
